ΔE 6.5, close: similar, with a visible difference side by side. Orange Ochre is more saturated than Ocher Khaki.
✓ AK 3rd Generation equivalence chart lists these two as equivalents.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Orange Ochre is more saturated than Ocher Khaki.
The same difference applies the other way round: Ocher Khaki is more muted.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Ocher Khaki on the colour wheel See Orange Ochre on the colour wheel
All matches: Ocher Khaki equivalents · Orange Ochre equivalents